nav p{
    width: 100%;
    height: 50px;
    line-height: 50px;
    /*border: 1px solid blue;*/
    overflow: hidden;
}
nav p span{
    display: inline-block;
    color: rgb(111,165,173);
    float: right;
    font-size: 15px;
    margin-right: 5px;
    cursor: pointer;
}
nav p img{
    width: 18px;
    float: right;
    margin-right: 50px;
    margin-top: 15px;
}
nav p span:hover{
    color: rgb(78,170,193);
}
#ncontent{
    width: 920px;
    border: 1px solid rgb(219,224,214);
    margin: auto;
    position: relative;
    display: none;
}
#nav{
    background-color: rgb(243,243,243);
    width: 97%;
    height: 45px;
    line-height: 45px;
    font-size: 18px;
    color:rgb(165,165,165);
    padding-left: 3%;
}
#nav:hover{
    background-color: white;
}
#creat{
    width: 102%;
    height: 680px;
    background-color: white;
    position: absolute;
    left: -1%;
    border: 1px solid rgb(219,224,214);
}
#creat h2{
    margin: 30px 4%;
    position: relative;
}
#proname input,textarea{
    margin-left: 4%;
    width: 500px;
    border-radius: 6px;
    text-indent: 10px;
    border: 1px solid rgb(219,224,214);
}
#proname input{
    height: 40px;
    font-size: 18px;
}
#error{
    margin: 5px 4%;
    color: rgb(210,34,17);
    font-size: 13px;
}
textarea{
    margin-top: 15px;
    height: 60px;
    padding-top: 5px;
    font-size: 13px;
}
#bottom{
    margin-left: 4%;
    position: absolute;
    bottom: 60px;
}
#bottom input{
    display: inline-block;
    width: 100px;
    height: 30px;
    line-height: 30px;
    border-radius: 6px;
    text-align: center;
    background-color: rgb(100,181,47);
    color: white;
    font-size: 14px;
    border: 0;
    cursor: pointer;
}

#bottom>a{
    font-size: 14px;
    margin-left: 20px;
    color: rgb(165,165,165);
}


#content{
    margin: 0 4%;
}
#content a{
    display: inline-block;
    width: 200px;
    height: 150px;
    text-align: center;
    font-size: 18px;
    margin-top: 20px;
    color: #333;
}
#content span{
    display: block;
    margin-top: 15px;
}
#content img{
    width: 60px;
    height: 60px;
}